Everything Disappearing

I was mining and went to place a torch, but the torch wouldn't show up. I could see the hitbox but no light and no texture was visible. I walked around, and broke some blocks. The textures didn't disappear but I walked into the mined area and I could see all the caves in the loaded chunks. I reset my device, hoping to fix the issue. When I logged back in I was at my bed, (I didn't log out there,) and all of my items were gone. I searched around, nothing.